Product Features
- Integrated-style Design
- Upgraded version of 70B welding pen
- Suitable for spot welding of 18650/21700 battery pack building, common hardware objects, etc.
Welding Pen Accessory Comparing Table
| 70A | 71A | 70B | 73B | 71B | 75A | 75A-Plus | |
| Type | Separated-style | Integrated-style | Integrated-style | Integrated-style | Integrated-style | Separated-style | Separated-style |
| Application | cell phone battery, small hardware objects, circuit board, lead wire, etc. | small hardware objects, circuit board, electronic components, lead wire, etc. | 18650/21700 battery, common hardware objects. etc | 18650/21700 battery, common hardware objects. etc | polymer pouch battery, specific hardware parts, etc | common LiFePO4 battery with aluminum terminals, thick hardware objects, etc | large-capacity LiFePO4 battery with aluminum/copper terminals and thicker connecting sheets, thicker hardware objects, etc. |
Replacement Welding Pins/Electrodes For: 70A 71A 70B 73B 71B 73S 75A 75A-Plus